CA1127690A - Dual arcing contacts for circuit breaker - Google Patents

Dual arcing contacts for circuit breaker

Info

Publication number
CA1127690A
CA1127690A CA352,003A CA352003A CA1127690A CA 1127690 A CA1127690 A CA 1127690A CA 352003 A CA352003 A CA 352003A CA 1127690 A CA1127690 A CA 1127690A
Authority
CA
Canada
Prior art keywords
arc
contact
contacts
arcing
arc chute
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA352,003A
Other languages
English (en)
French (fr)
Inventor
John A. Wafer
Louis N. Ricci
Alfred E. Maier
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Westinghouse Electric Corp
Original Assignee
Westinghouse Electric Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Application granted granted Critical
Publication of CA1127690A publication Critical patent/CA1127690A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H73/00—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
    • H01H9/46—Means for extinguishing or preventing arc between current-carrying parts using arcing horns
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
    • H01H9/38—Auxiliary contacts on to which the arc is transferred from the main contacts
    • H01H9/383—Arcing contact pivots relative to the movable contact assembly
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H73/00—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism
    • H01H73/02—Details
    • H01H73/04—Contacts

Landscapes

  • Arc-Extinguishing Devices That Are Switches (AREA)
  • Breakers (AREA)
CA352,003A 1979-06-07 1980-05-15 Dual arcing contacts for circuit breaker Expired CA1127690A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/046,735 US4309580A (en) 1979-06-07 1979-06-07 Dual arcing contacts for circuit breaker
US046,735 1979-06-07

Publications (1)

Publication Number Publication Date
CA1127690A true CA1127690A (en) 1982-07-13

Family

ID=21945094

Family Applications (1)

Application Number Title Priority Date Filing Date
CA352,003A Expired CA1127690A (en) 1979-06-07 1980-05-15 Dual arcing contacts for circuit breaker

Country Status (14)

Country Link
US (1) US4309580A (enrdf_load_stackoverflow)
JP (1) JPS5932853B2 (enrdf_load_stackoverflow)
KR (1) KR830003131A (enrdf_load_stackoverflow)
AU (1) AU530465B2 (enrdf_load_stackoverflow)
BE (1) BE883707A (enrdf_load_stackoverflow)
BR (1) BR8003424A (enrdf_load_stackoverflow)
CA (1) CA1127690A (enrdf_load_stackoverflow)
DE (1) DE3018254A1 (enrdf_load_stackoverflow)
ES (1) ES492202A0 (enrdf_load_stackoverflow)
FR (1) FR2458882A1 (enrdf_load_stackoverflow)
GB (1) GB2052163B (enrdf_load_stackoverflow)
IT (1) IT1136406B (enrdf_load_stackoverflow)
NZ (1) NZ193683A (enrdf_load_stackoverflow)
ZA (1) ZA802763B (enrdf_load_stackoverflow)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6147035A (ja) * 1984-08-10 1986-03-07 富士電機株式会社 回路遮断器の接触子構造
GB8607397D0 (en) * 1986-03-25 1986-04-30 Northern Eng Ind Arc interrupter
US4871889A (en) * 1988-09-21 1989-10-03 Siemens Energy & Automation, Inc. Arcing contact assembly for a circuit breaker
US5430420A (en) * 1994-01-24 1995-07-04 Eaton Corporation Contact arrangement for a circuit breaker using magnetic attraction for high current trip
US5608367A (en) * 1995-11-30 1997-03-04 Eaton Corporation Molded case circuit breaker with interchangeable trip unit having bimetal assembly which registers with permanent heater transformer airgap
US20090256659A1 (en) * 2008-04-15 2009-10-15 Mahesh Jaywant Rane Circuit breaker with improved close and latch performance

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR476941A (fr) * 1914-04-08 1915-09-09 Maljournal & Bourron Des Ets Contacts d'interrupteurs dans l'huile
US2993105A (en) * 1957-12-13 1961-07-18 Westinghouse Electric Corp Circuit breaker
US3296402A (en) * 1964-12-23 1967-01-03 Allis Chalmers Mfg Co Arc chute for air circuit breaker
US3368052A (en) * 1966-11-10 1968-02-06 Ite Circuit Breaker Ltd Combined butt and finger contact
US3585329A (en) * 1968-01-24 1971-06-15 Westinghouse Electric Corp Circuit interrupter with improved contact structure and arc-runner
GB1312156A (en) * 1970-10-29 1973-04-04 Dorman Smith Switchgear Ltd Electrical circuit breakers and isolators
US3681548A (en) * 1970-11-02 1972-08-01 Erickson Electrical Equipment Arc control for load-break switches
US3821607A (en) * 1972-12-29 1974-06-28 Westinghouse Electric Corp Circuit interrupter protective device
US4229630A (en) * 1980-03-17 1980-10-21 Westinghouse Electric Corp. Circuit breaker utilizing improved arc chambers

Also Published As

Publication number Publication date
AU530465B2 (en) 1983-07-14
BR8003424A (pt) 1981-01-05
IT1136406B (it) 1986-08-27
ES8105889A1 (es) 1981-06-01
IT8041576A0 (it) 1980-06-04
GB2052163B (en) 1983-04-20
FR2458882B1 (enrdf_load_stackoverflow) 1984-11-16
DE3018254C2 (enrdf_load_stackoverflow) 1988-11-03
AU5901880A (en) 1980-12-11
NZ193683A (en) 1983-09-30
ES492202A0 (es) 1981-06-01
KR830003131A (ko) 1983-05-31
GB2052163A (en) 1981-01-21
US4309580A (en) 1982-01-05
DE3018254A1 (de) 1980-12-18
JPS55165538A (en) 1980-12-24
BE883707A (fr) 1980-12-08
JPS5932853B2 (ja) 1984-08-11
ZA802763B (en) 1981-07-29
FR2458882A1 (fr) 1981-01-02

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Legal Events

Date Code Title Description
MKEX Expiry